Mayor Bill de Blasio said the crane was being moved into a secure position because of high winds when the incident occurred. The crane was last inspected Thursday morning, and no work was being done at the site Friday. He said crews were keeping people and traffic away from the scene as the crane was being lowered, which likely prevented the injury total from being higher.

No workers were injured, and the 56-year-old crane operator is cooperating with detectives and tested negative for alcohol.

A witness described the terrifying scene as the crane came toppling down:

The force of the collapse caused a water main break at Worth Street and West Broadway and a possible gas main break on the West Broadway side.

The FDNY and Con Edison are on the scene working on the gas issue, and spokesperson Sidney Alvarez is warning everyone in the area to be aware of an odor of rotten eggs. Anyone who smells such an odor is urged to contact Con Ed or dial 911.

The New York City Office of Emergency Management says there is no structural damage to any of the impacted buildings. Officials said four structures were damaged, most on the first floor. Still, several office buildings in the area were evacuated. They include:

NY Law School (four buildings)71 Thomas Street, which is a state Supreme Court building40 Worth Street, which is a large office building. Weill Cornell Medicine has practices in that building and said everyone was evacuated safely.

No residential buildings were evacuated.

Eyewitness News reporter Tim Fleischer spoke with neighbors who have been concerned about the use of cranes in the area and their safety:

Worth Street is closed from Church Street to Hudson Street, while West Broadway is closed south of Canal Street.

It appears the crane was working on 60 Hudson Street, a longtime industrial building undergoing renovation to luxury apartments. The crane was parked on Worth Street and had been lifting wood and other equipment to the roof.

The plan is to start dismantling the crane Saturday morning. Crews are emptying the hydraulic fluid and fuel from the crane first, which should be ongoing through the early overnight hours.

Once they have the crane dismantled, Con Ed and DEP need to access their infrastructure currently underneath the crane to assess the damage to the water main and gas line in the area.

Officials hope to have the street open for Monday morning, but it's unclear if that will be able to happen in time.